316095991 has 2 divisors, whose sum is σ = 316095992. Its totient is φ = 316095990.

The previous prime is 316095947. The next prime is 316096003. The reversal of 316095991 is 199590613.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 316095991 - 2¹³ = 316087799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316095491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158047995 + 158047996.

It is an arithmetic number, because the mean of its divisors is an integer number (158047996).

Almost surely, 2^316095991 is an apocalyptic number.

316095991 is a deficient number, since it is larger than the sum of its proper divisors (1).

316095991 is an equidigital number, since it uses as much as digits as its factorization.

316095991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65610, while the sum is 43.

The square root of 316095991 is about 17779.0885874389. The cubic root of 316095991 is about 681.1974223542.

The spelling of 316095991 in words is "three hundred sixteen million, ninety-five thousand, nine hundred ninety-one".